<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div,
        p {
            width: 200px;
            height: 200px;
            background-color: blue;
            border: 1px solid black;
            padding: 20px;
            margin: 40px;
        }
    </style>
</head>

<body>
    <div>
        哈哈哈哈
    </div>
    <p>
        嘿嘿嘿
    </p>
</body>

</html>